Theory of Particle and Cluster Emission
Nowadays experimental nuclear physics pushes its limits towards highly unstable nuclei. The theoretical description of proton-rich and neutronrich nuclei or superheavy elements has become an important part of the modern nuclear physics. The main tool to investigate such unstable nuclei concerns radioactive decays, from proton emission to fission processes. We review the main theoretical methods describing decay processes induced by the strong interaction, like Coupled channels method for Gamow resonances, R-matrix theory, Distorted wave approach, Semiclassical approach, Multi step and Two center shell model. Thus, most of the book is addressed to a broad audience within the nuclear physics community. Secondly, this book is an attempt to clarify some fundamental aspects connected with the fine structure or anisotropy in alpha decay and ternary cold fission. Finally, the self consistent microscopic theory of the alpha decay is analyzed.
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Part II Microscopic Description of Emission Processes
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a-decay a-particle alpha decay angular momentum ansatz approach boson calculations Chap cluster decays cluster emission coefficients cold fission computed consider corresponding Coulomb barrier Coulomb function Coulomb parameter coupled channels daughter nucleus decay process decay width defined deformed nuclei Delion denotes density dependence described diagonalization double folding eigenstates eigenvalue emission processes emitted fragments emitters estimate even–even fermion Gamow Greiner half lives Hamiltonian heavy fragments HF’s Insolia interaction internal wave intrinsic Lett Liotta logarithm logarithmic derivative matrix elements multipole neutron Nucl nuclear surface nuclei nucleons obtains pairing Phys potential preformation amplitude proton emission Q-value quadrupole deformation quantum numbers quasiparticle R-matrix radioactivity radius ratio reduced width region resonances rotational S-matrix Sa˘ndulescu Schrödinger equation shell model single particle solid line spectroscopic factor spherical spin spin-orbit structure superheavy nuclei Table ternary fission theory transitions triaxial versus vibrational wave function